Motorola A920 Service Manual page 6

Table of Contents
PCAP Charger ...................................................................................................................... 4-34
PCAP Regulators ................................................................................................................. 4-36
Receive Audio ...................................................................................................................... 4-38
Transmit Audio ...................................................................................................................... 4-40
PCAP .................................................................................................................................... 4-42
POG ...................................................................................................................................... 4-44
POG Interfaces ...................................................................................................................... 4-46
POG Memory ........................................................................................................................ 4-48
Bluetooth ............................................................................................................................... 4-50
GPS RF Circuit ..................................................................................................................... 4-52
GPS Baseband Circuit .......................................................................................................... 4-54
Video Circuit ......................................................................................................................... 4-56
Helen .................................................................................................................................... 4-58
Helen Interfaces .................................................................................................................... 4-60
Helen Flash Memory ............................................................................................................. 4-62
Helen SDRAM ...................................................................................................................... 4-64
SIM Connector ...................................................................................................................... 4-66
Battery Connector (J5400) .................................................................................................... 4-68
Camera Connector (J7600) ................................................................................................... 4-70
MMC Connector (J3900) ....................................................................................................... 4-72
Keyboard Connector (JPCH) ................................................................................................ 4-74
Display Connector (J5200) ................................................................................................... 4-76
CE Bus Connector (J5000) ................................................................................................... 4-78
Signal Flow Diagram (Side 1) ............................................................................................... 4-80
Signal Flow Diagram (Side 2) ............................................................................................... 4-81
RF Block Diagram ................................................................................................................ 4-82
Baseband Block Diagram ..................................................................................................... 4-83
Parts List ..................................................................................................................................... 5-1
Introduction ............................................................................................................................. 5-1
Electrical Parts List ................................................................................................................. 5-2
vi
Motorola Confidential Proprietary
A920/A925
Preliminary